1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Ray Of Light [21]
4 years ago
10

Solve x2 - 8x - 9 = 0. Rewrite the equation so that it is of the form x2 + bx = c.

Mathematics
1 answer:
stira [4]4 years ago
7 0
X^2 - 8x-9=0
D = b^2- 4*a*c = 64- 4* (-9) = 64+36=100 =10^2
X1 = (8-10)/2 = -1
X2= (8+10)/2= 9


You might be interested in
Find the x-intercept for 11x - 33y = 99
seropon [69]
It is 9. You have to add 33y, then divide by 11 and you get x = 3y + 9
7 0
3 years ago
An architect uses a cylindrical container to protect her blueprints. The dimensions of the cylinder shown in the diagram. Which
avanturin [10]

Answer:

option B is the correct answer = TSA = 339.29 in²

<em><u>plz</u></em><em><u> </u></em><em><u>mark</u></em><em><u> my</u></em><em><u> answer</u></em><em><u> as</u></em><em><u> brainlist</u></em><em><u> plzzzz</u></em><em><u> vote</u></em><em><u> me</u></em><em><u> also</u></em><em><u>.</u></em><em><u> </u></em><em><u> </u></em><em><u>hop</u></em><em><u>e</u></em><em><u> this</u></em><em><u> will</u></em><em><u> help</u></em><em><u> you</u></em><em><u> </u></em><em><u>plzzz</u></em>

7 0
3 years ago
Read 2 more answers
Last weekend Ryan eaened 27$ babysitting He earned $19 on friday and the rest on Saturday which equation can you use to find the
rewona [7]

Answer:

19+s=27

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
What is the value of x in the equation 3x – 4y = 65, when y = 4?
vovangra [49]
<span>3x – 4y = 65
</span><span>3x – 4(4) = 65
3x - 16 = 65
3x = 81
x = 27</span>
6 0
3 years ago
Read 2 more answers
Plz help, will mark brainliest!
eimsori [14]

Answer:

the answer is "B" (thank me later) ;))

8 0
3 years ago
Read 2 more answers
Other questions:
  • 4.3t-2.1t-2.3=7.6<br> Solve equation
    12·1 answer
  • Which is greater .067 or .009
    5·1 answer
  • A triangular pyramid has a base with an area of 7 square centimeters and lateral faces with bases of 4 centimeters and heights o
    12·1 answer
  • What is the solution to the following system of linear equations?
    13·1 answer
  • Baseball player padded 544 times in a season batting average of 0.294 using the formula below find the numbers of hits he made
    15·2 answers
  • the ratio of girls to boys in a gym class is 1 to 2 if there are 30 students in the class how many girls are in the class?​
    8·2 answers
  • Which set of side lengths form a right triangle? A. 2 inches, 3 inches, 4 inches B. 6 inches, 8 inches, 10 inches C. 8 inches, 9
    14·1 answer
  • The perimeter of a rectangular garden is 710ft. The two long sides of a garden are each 310 ft long. You are asked to find the l
    9·1 answer
  • Find the surface area of the cube.<br><br>​
    13·1 answer
  • Hi please help :)))))))
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!